GbEng
第三位在有机分子中从一指定碳原子后第三个位置,在此一个原子或原子团可能被替代 The third position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
生物芯片用有机分子而非硅或锗制造的计算机芯片 A computer chip made from organic molecules rather than silicon or germanium.